The Impact of Ancient Connectivity of the Korean Peninsula and Japanese Archipelago on the Present Genetic Relationships of Spined Loaches (Family: Cobitidae) (Master Thesis)
(2023~)
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Research Goals
Research Goals
Research on comparative genomics of Korean and Japanese freshwater fish, Cobitis.
Determine whether the incongruent phylogenetic tree of Cobitis nalbanti living in the Tamjin River of the Korean Peninsula is caused by Incomplete Lineage Sorting (ILS) only, or the introgression of other lineages.
Identify the history of geographical connection and disconnection between Korea and Japan.
Sampling
Sampling
Sampling in Korea
Initiated collaboration with Kyushu University, Japan
Species Tree Inference
Species Tree Inference
Multispecies Coalescent Based SVDquartets and PAUP*
Topology weighting
Topology weighting
Detect Tree discrepancy
D-statistics
D-statistics
ABBA-BABA test, f4-ratio, f-branch statistics
Detect Genome-wide introgressed loci
Species network
Species network
Allowing reticulate events, inferred direction of introgression with branch length difference
Mitogenome analysis
Mitogenome analysis
Assembly and Annotation
Comparing NT and AA tree
Demographic history Analysis
Demographic history Analysis
Infer and compare effective population size
Paleo-drainage system Inference
Paleo-drainage system Inference
Reconstruction of the terrain with -125m sea level, using ArcGIS
Related Activities
Attended <The Korean Association of Biological Sciences> and gave a poster presentation at <Korean Society for the Study of Evolution>. Aug,2023
Visualized the official logo of <Korean Society for the Study of Evolution> after being given the Professor's sketch.
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